Italy

Fascism:

http://www.fordham.edu/halsall/mod/mussolini-fascism.asp (from the Internet Modern History Sourcebook, Fordham University)
Selections from Mussolini's entry on Fascism for the Italian Encyclopedia (1932)

Italy & World War I: http://www.historylearningsite.co.uk/italy_and_world_war_one.htm

Mussolini

Short biography:
http://www.bbc.co.uk/history/historic_figures/mussolini_benito.shtml
http://www.spartacus.schoolnet.co.uk/2WWmussolini.htm

Overview of Mussolini rise and rule:
http://staff.gps.edu/mines/Age%20of%20Anxiety%20-%20Rise%20of%20Mussolini.htm

March on Rome:

http://www.historylearningsite.co.uk/march_on_rome.htm